2W3N

Structure and inhibition of the CO2-sensing carbonic anhydrase Can2 from the pathogenic fungus Cryptococcus neoformans


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1T75PDB ENTRY 1T75

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
124% PEG3350, 0.2 M AMMONIUM ACETATE, 0.01 M MAGNESIUM ACETATE, 0.05M SODIUM CACODYLATE PH 6.6
Crystal Properties
Matthews coefficientSolvent content
2.3547.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 177.98α = 90
b = 56.59β = 116.58
c = 83.22γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SASLSX10SA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.0546.898.50.131463983.01
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.052.1597.10.4913.011

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1T752.0579.5644060233799.10.188780.186530.23086RANDOM33.694
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-1.21-0.381.36-0.49
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.235
r_dihedral_angle_4_deg18.217
r_dihedral_angle_3_deg16.14
r_dihedral_angle_1_deg7.185
r_scangle_it5.783
r_scbond_it3.836
r_mcangle_it2.341
r_mcbond_it1.521
r_angle_refined_deg1.5
r_nbtor_refined0.32
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.235
r_dihedral_angle_4_deg18.217
r_dihedral_angle_3_deg16.14
r_dihedral_angle_1_deg7.185
r_scangle_it5.783
r_scbond_it3.836
r_mcangle_it2.341
r_mcbond_it1.521
r_angle_refined_deg1.5
r_nbtor_refined0.32
r_nbd_refined0.227
r_symmetry_vdw_refined0.223
r_symmetry_hbond_refined0.172
r_xyhbond_nbd_refined0.134
r_chiral_restr0.103
r_bond_refined_d0.015
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5263
Nucleic Acid Atoms
Solvent Atoms144
Heterogen Atoms21

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing